Air distance from Kathmandu, Nepal to Dallas, USA is 8297 Miles (13352.7 Kilometers / 7205.1 Nautical Miles).
Flight duration time from Kathmandu to Dallas is 17 hrs, 13 mins. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.